One reason for the van’s long life was the durability of its engineering and another was its versatility. An A35 van offered much the same payload as the larger Morris Minor van and was more robust and easier to service than a Mini light commercial.
A popular option was a rear bench seat; commercial vehicles of the Sixties did not attract Purchase Tax, so a family on a limited budget could afford a new, if slightly claustrophobic, estate car for two-thirds of the price of a Mini.